* {
    margin: 0;
    padding: 0;
}
ul {
    list-style: none;
}

.index {
    width: 1350px;
    height: 1915px;
    margin: 0 auto;
    background-color: #cecece;
}
.index > .nav {
    width: 100%;
    height: 80px;
    background-color: #fff;
}
.index > .nav > img {
    float: left;
    margin-left: 135px;
    padding: 18px 0;
}
.list {
    float: right;
    width: 800px;
    height: 100%;
    line-height: 80px;
    text-align: center;
}
.list > ul > li {
    float: left;
    margin-left: 50px;
    color: rgb(100,100,100);
}
.index > .images >img {
    width: 100%;
    height: 470px;
}
.index > .center_up {
    width: 100%;
    height: 405px;
    background-color: #fff;
}
.index > .center_up > div {
    width: 1040px;
    height: 100%;
    margin: 0 auto;
}
.center_up_nav {
    height: 75px;
    padding-top: 60px;
    text-align: center;
}
.center_up_nav > p {
    font-size: 14px;
}
.center_up_nav > p > span {
    color: rgb(195,195,195);
    font-size: 12px;
}
.index > .center_up > div > .center_up_banner {
    height: 270px;
}
.center_up_banner > ul > li {
    float: left;
    margin-left: 30px;
    margin-right: 30px;
}
.index > .center_down {
    width: 100%;
    height: 460px;
    background-color: rgb(248,248,248);
}
.index > .center_down > div {
    width: 1080px;
    height: 100%;
    margin: 0 auto;
}
.center_down_nav {
    height: 75px;
    padding-top: 60px;
    text-align: center;
}
.center_down_nav > p > span {
    color: rgb(195,195,195);
    font-size: 12px;
}
.center_down_nav > p > span > em {
    color: rgb(102,196,180);
    font-size: 16px;
    font-style: normal;
}
.index > .center_down > div > .center_down_banner {
    height: 250px;
}
.center_down_banner > ul > li {
    float: left;
    margin-left: 10px;
    margin-right: 10px;
}
.center_down > .center_down_floor {
    width: 100%;
    height: 35px;
}
.center_down input {
    width: 170px;
    height: 35px;
    display: block;
    margin: 0 auto;
    color: #fff;
    border-radius: 23px;
    border-color: transparent;
    background-color: rgb(103,197,181);
}
.index > .floor {
    width: 100%;
    height: 450px;
    background-color: #fff;
}
.floor_nav {
    height: 75px;
    padding-top: 60px;
    text-align: center;
}
.floor_nav > p {
    font-size: 14px;
}
.floor_nav > p > span {
    color: rgb(195,195,195);
    font-size: 12px;
}
.floor_banner {
    height: calc(100%-135px);
    margin-top: 40px;
}
.floor_banner > div {
    float: left;
    margin-left: 135px;
}
.floor_banner > .floor_banner_right {
    margin-left: 15px;
}
.index > .statement {
    font-size: 12px;
    color: #fff;
    width: 100%;
    height: 50px;
    background-color: rgb(103,197,181);
}
.statement div {
    float: right;
}
.statement p {
    float: left;
    height: 50px;
    line-height: 50px;
    text-align: center;
    margin-left: 135px;
}
.statement ul {
    margin-right: 135px;
    margin-top: 17px;
}
.statement li {
    float: left;
    padding: 0 15px;
    border-left: 1px solid rgb(193,233,225);
    border-right: 1px solid rgb(144,211,201);
}
.malou li:nth-of-type(1) {
    border-left: transparent;
}
.malou li:nth-of-type(4) {
    border-right: transparent;
}